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參數(shù)資料
| 型號： | DS2890 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 1-Wire Digital Potentiometer |
| 中文描述： | 1-Wire數(shù)字電位器 |
| 文件頁數(shù)： | 25/27頁 |
| 文件大?。?/td> | 939K |
| 代理商： | DS2890 |
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DS2890
25 of 27
NOTES:
1.
Voltage is referenced to ground.
2.
Valid at 25
o
C only.
3.
Wiper resistance is a function of operating characteristics. See section “POTENTIOMETER WIPER
RESISTANCE AND CHARGE PUMP CONSIDERATIONS” for R
WIPER
characteristics.
4.
Absolute linearity is a measure of wiper output voltage versus expected wiper voltage as determined
by wiper position.
5.
Relative linearity is a measure of the output deviation between successive potentiometer tap points.
DC ELECTRICAL CHARACTERISTICS
2.8V
≤
V
PUP
≤
6.0V, -40
°
C
≤
T
A
≤
+85
°
C
MIN
TYP
MAX
PARAMETER
SYMBOL
UNITS
NOTES
1-Wire Input High
V
IH
2.2
V
1
1-Wire Input Low
V
IL
-0.3
0.8
V
1,2
1-Wire Output High
V
OH
V
PUP
6.0
V
1,3
1-Wire Output Low @ 4 mA
V
OL
0.4
V
1
1-Wire Input Leakage Current
I
L
5
μ
A
4
V
DD
Input Current, Charge Pump
OFF
I
DD
4.0
μ
A
5
V
DD
Input Current, charge Pump
ON
I
DD
2.0
mA
6
NOTES:
1.
Voltages are referenced to ground.
2.
Under certain low voltage conditions V
ILMAX
may have to be reduced to as much as 0.5V to always
guarantee a presence pulse.
3.
V
PUP
is the external 1-Wire pull-up voltage.
4.
Input load is to ground.
5.
Input current when an auxiliary V
DD
supply is used and the charge pump is turned OFF.
6.
Input current when an auxiliary V
DD
supply is used and the charge pump is turned ON.
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| DS2890X | 1-Wire Digital Potentiometer |
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| DS1E-M-DC1.5V | HIGHLY SENSITIVE 1500 V FCC SURGE WITHSTANDING MINIATURE RELAY |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2890-000 | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS2890-000+ | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS2890-000+T&R | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS2890P | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1-Wire Digital Potentiometer |
| DS2890P-000 | 功能描述:數(shù)字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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